Petersen, M M <br/><br/>
Parathyroid hormone and 25-hydroxyvitamin D concentrations in sick and normal elderly people.  [electronic resource] 

 -  British medical journal (Clinical research ed.)  Aug 1983 
 - 521-3 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0267-0623 
<br/><br/><label>Standard No.: </label>10.1136/bmj.287.6391.521  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>25-Hydroxyvitamin D 2<br/>Aged<br/>Alkaline Phosphatase--blood<br/>Ergocalciferols--analogs & derivatives<br/>Female<br/>Humans<br/>Hyperparathyroidism--diagnosis<br/>Kidney Diseases--blood<br/>Male<br/>Middle Aged<br/>Parathyroid Hormone--blood